EP2583381A4 - Operating a voltage regulator at a switching frequency selected to reduce spurious signals - Google Patents

Operating a voltage regulator at a switching frequency selected to reduce spurious signals

Info

Publication number
EP2583381A4
EP2583381A4 EP11796144.1A EP11796144A EP2583381A4 EP 2583381 A4 EP2583381 A4 EP 2583381A4 EP 11796144 A EP11796144 A EP 11796144A EP 2583381 A4 EP2583381 A4 EP 2583381A4
Authority
EP
European Patent Office
Prior art keywords
operating
voltage regulator
switching frequency
spurious signals
frequency selected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11796144.1A
Other languages
German (de)
French (fr)
Other versions
EP2583381A2 (en
Inventor
Ravi Ramachandran
Frank Sasselli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
R2 Semiconductor Inc
Original Assignee
R2 Semiconductor Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by R2 Semiconductor Inc filed Critical R2 Semiconductor Inc
Publication of EP2583381A2 publication Critical patent/EP2583381A2/en
Publication of EP2583381A4 publication Critical patent/EP2583381A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/13—Monitoring; Testing of transmitters for calibration of power amplifiers, e.g. gain or non-linearity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H04B2215/065—Reduction of clock or synthesizer reference frequency harmonics by changing the frequency of clock or reference frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
EP11796144.1A 2010-06-17 2011-05-26 Operating a voltage regulator at a switching frequency selected to reduce spurious signals Withdrawn EP2583381A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/818,087 US8145149B2 (en) 2010-06-17 2010-06-17 Operating a voltage regulator at a switching frequency selected to reduce spurious signals
PCT/US2011/038230 WO2011159453A2 (en) 2010-06-17 2011-05-26 Operating a voltage regulator at a switching frequency selected to reduce spurious signals

Publications (2)

Publication Number Publication Date
EP2583381A2 EP2583381A2 (en) 2013-04-24
EP2583381A4 true EP2583381A4 (en) 2014-06-25

Family

ID=45329101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11796144.1A Withdrawn EP2583381A4 (en) 2010-06-17 2011-05-26 Operating a voltage regulator at a switching frequency selected to reduce spurious signals

Country Status (4)

Country Link
US (1) US8145149B2 (en)
EP (1) EP2583381A4 (en)
KR (1) KR101684277B1 (en)
WO (1) WO2011159453A2 (en)

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US8548398B2 (en) 2010-02-01 2013-10-01 Rf Micro Devices, Inc. Envelope power supply calibration of a multi-mode radio frequency power amplifier
US8538355B2 (en) 2010-04-19 2013-09-17 Rf Micro Devices, Inc. Quadrature power amplifier architecture
US9553550B2 (en) 2010-04-20 2017-01-24 Qorvo Us, Inc. Multiband RF switch ground isolation
US9214865B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Voltage compatible charge pump buck and buck power supplies
US8942651B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. Cascaded converged power amplifier
US9214900B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Interference reduction between RF communications bands
US8942650B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. RF PA linearity requirements based converter operating mode selection
US8983407B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Selectable PA bias temperature compensation circuitry
US9362825B2 (en) 2010-04-20 2016-06-07 Rf Micro Devices, Inc. Look-up table based configuration of a DC-DC converter
US9008597B2 (en) 2010-04-20 2015-04-14 Rf Micro Devices, Inc. Direct current (DC)-DC converter having a multi-stage output filter
US8958763B2 (en) 2010-04-20 2015-02-17 Rf Micro Devices, Inc. PA bias power supply undershoot compensation
US9900204B2 (en) 2010-04-20 2018-02-20 Qorvo Us, Inc. Multiple functional equivalence digital communications interface
US8989685B2 (en) 2010-04-20 2015-03-24 Rf Micro Devices, Inc. Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
US8983410B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Configurable 2-wire/3-wire serial communications interface
US9048787B2 (en) 2010-04-20 2015-06-02 Rf Micro Devices, Inc. Combined RF detector and RF attenuator with concurrent outputs
US8913967B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Feedback based buck timing of a direct current (DC)-DC converter
US9184701B2 (en) 2010-04-20 2015-11-10 Rf Micro Devices, Inc. Snubber for a direct current (DC)-DC converter
US9030256B2 (en) 2010-04-20 2015-05-12 Rf Micro Devices, Inc. Overlay class F choke
US9577590B2 (en) 2010-04-20 2017-02-21 Qorvo Us, Inc. Dual inductive element charge pump buck and buck power supplies
US9077405B2 (en) 2010-04-20 2015-07-07 Rf Micro Devices, Inc. High efficiency path based power amplifier circuitry
US8947157B2 (en) 2010-04-20 2015-02-03 Rf Micro Devices, Inc. Voltage multiplier charge pump buck
WO2012075188A1 (en) * 2010-11-30 2012-06-07 The Sloan Company, Inc. Dba Sloanled Power control unit
JP2013059206A (en) * 2011-09-08 2013-03-28 Ricoh Co Ltd Charging circuit and control method therefor
US9065505B2 (en) * 2012-01-31 2015-06-23 Rf Micro Devices, Inc. Optimal switching frequency for envelope tracking power supply
JP2013211932A (en) * 2012-03-30 2013-10-10 Equos Research Co Ltd Power transmission system
US8773200B2 (en) * 2012-07-08 2014-07-08 R2 Semiconductor, Inc. Decoupling circuits for filtering a voltage supply of multiple power amplifiers
EP2806566A1 (en) * 2013-05-23 2014-11-26 ST-Ericsson SA A matrix for use with a radio transceiver and methods thereto
US9014637B1 (en) 2013-09-27 2015-04-21 Intel Corporation Dynamic switching frequency control of an on-chip or integrated voltage regulator
US10128879B2 (en) * 2014-03-31 2018-11-13 Intel IP Corporation Enhanced receive sensitivity for concurrent communications
KR102486123B1 (en) 2017-08-10 2023-01-09 삼성전자 주식회사 Electronic device and method for controlling amplifier based on status of the electronic device
US10615887B1 (en) * 2018-09-24 2020-04-07 Seagate Technology Llc Mitigation of noise generated by random excitation of asymmetric oscillation modes
US11973424B2 (en) 2020-09-08 2024-04-30 Analog Devices International Unlimited Company Spur free switching regulator with self-adaptive cancellation of coil current ripple
US11742741B2 (en) 2020-09-08 2023-08-29 Analog Devices International Unlimited Company Spurious noise reduction by monotonic frequency stepping with compensation of error amplifier's output in peak current mode switching regulator

Citations (4)

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JPH11332230A (en) * 1998-05-07 1999-11-30 Alinco Inc Switching power supply
WO2002019551A2 (en) * 2000-08-30 2002-03-07 Cirrus Logic, Inc. Circuits and methods for reducing interference from switched mode circuits
US20070191073A1 (en) * 2006-02-16 2007-08-16 May Michael R Adjust switching rate of a power supply to mitigate interference
WO2008000916A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Controlling switching mode power supply of power amplifier

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11332230A (en) * 1998-05-07 1999-11-30 Alinco Inc Switching power supply
WO2002019551A2 (en) * 2000-08-30 2002-03-07 Cirrus Logic, Inc. Circuits and methods for reducing interference from switched mode circuits
US20070191073A1 (en) * 2006-02-16 2007-08-16 May Michael R Adjust switching rate of a power supply to mitigate interference
WO2008000916A1 (en) * 2006-06-30 2008-01-03 Nokia Corporation Controlling switching mode power supply of power amplifier

Also Published As

Publication number Publication date
WO2011159453A3 (en) 2012-03-08
WO2011159453A2 (en) 2011-12-22
US8145149B2 (en) 2012-03-27
KR101684277B1 (en) 2016-12-08
EP2583381A2 (en) 2013-04-24
US20110312287A1 (en) 2011-12-22
KR20140036103A (en) 2014-03-25

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Legal Events

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A4 Supplementary search report drawn up and despatched

Effective date: 20140522

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Effective date: 20180509

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Effective date: 20181001